N9TPB
FCC License Search
🕒 FCC license data updated yesterday 9:42 am CDT (FCC files through Sep 30, 2026) · next update today 6:00 am CDT
Ask:
HAMs within 5 miles of N9TPB · Extra class operators in Madison, WI · or try N9TPB · K9* wildcards · Smith, John · 0004797601 (FRN) · 53703 · Madison, WIKB5ZMU HAM
✅ Available for a vanity request — free since Aug 21, 2020.
2x3 call: any licensee can request it.
No pending applications list it.
Not currently held · 1 holder on record · available since Aug 21, 2020
Previous holder: MARC A GWIN
Held KB5ZMU Dec 22, 2000 → Aug 20, 2018 · first licensed Dec 22, 2000 as KB5ZMU · 2 licenses · FRN 0004761094
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📦 Moved: West Memphis, AR → Jonesboro, AR
- Licensee
- MARC A GWIN
- Address
- Attn: Marc Gwin
3101 Carnaby Street Apt F104
Jonesboro, AR 72405
- FRN
- 0004761094
- Previous call
- KB5ZMU (General)
- Last granted
- May 26, 2023
- Effective
- May 14, 2026
- Last action
- May 14, 2026
FCC actions (5)
- May 14, 2026 — Administrative update LIAUA
- May 26, 2023 — License renewed LIREN
- Nov 3, 2021 — Administrative update LIAUA
- Aug 20, 2018 — Systematic call sign granted SYSGRT
- Aug 20, 2018 — License issued LIISS
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- Licensee
- MARC A GWIN
- Address
- 1402 STATFORD
WEST MEMPHIS, AR 72301
- FRN
- 0004761094
- Last granted
- Jan 25, 2013
- Effective
- Aug 20, 2018
- Last action
- Aug 20, 2018
FCC actions (6)
- Aug 20, 2018 — License canceled LICAN
- Jan 25, 2013 — Administrative update LIAUA
- Jan 25, 2013 — License renewed LIREN
- Jun 26, 2003 — Administrative update LIAUA
- Dec 23, 2002 — License renewed LIREN
- Dec 22, 2000 — License modified LIMOD
Address history
From FCC database snapshots (2004 → now). "Seen" dates are the first and last snapshot showing that address.
- Seen Sep 27, 2026 · 1 snapshot · as AG5QY
MARC A GWIN
Attn: Marc Gwin
3101 Carnaby Street Apt F104, Jonesboro, AR 72405 - Seen Nov 7, 2004 → Sep 27, 2026 · 50 snapshots · as KB5ZMU
MARC A GWIN
1402 STATFORD, WEST MEMPHIS, AR 72301 - Seen Apr 16, 2022 → Sep 25, 2025 · 11 snapshots · as AG5QY
MARC A GWIN
2305 Bernard St APT 318, Jonesboro, AR 72401
📡 On the air: APRS, digital & WSPR spots
No APRS positions, PSK Reporter reports or WSPR spots for KB5ZMU in the last 24 hours. They show up here within seconds of KB5ZMU beaconing on APRS, being heard on FT8, FT4 and other digital modes, or sending a WSPR beacon.